Features 1.Multi Uses: Rotary burr set is suitable for tool making engineering wood carving welding chamferring casting deburring grinding sculpting etc. 2.Wide Application: Die grinder burr bits can be used for aviation automobile ship boats industrial engineering and so on practical and helpful tools. 3.Advantages: Rotary burr files can be used with handheld electric or pneumatic tool high efficiency helping you get things done more easily and quickly. 4.Carbide Material: Rotary burr bits are made of heat treated carbide high hardness and high strength high temperature resistant not easy to break. 5.Package Includes: The package includes 10pcs rotary files A0613M03100 C0613M03100 D0605M03100 E0610M03100 F0613M03100 G0613M03100 H0613M03100 L0613M03100 M0613M031000 N0607M03100. Specification Item Type: Rotary Burr File SetMaterial: CarbidePackage Includes: A0613M03-100 C0613M03-100 D0605M03-100 E0610M03-100 F0613M03-100 G0613M03-100 H0613M03-100 L0613M03-100 M0613M03-1000 N0607M03-100.Shank: Approx. 3mm/0.12inCutter Head: Approx. 6mm/0.24inLength: Approx. 100mm/3.94inDescription: Letters represent the international serial number of this product the first two digits are the diameter of the tool head the third and fourth digits are the length of the tool head M03 is the diameter of the tool handle -100 represents the length of the tool handle (The length of the tool handle may have an error of about 0.5cm )Applicable Models: Suitable for aviation automobile ship surface grinding etc. Package List 1 xRotaryBurr File Set (10pcs)